TISSUE OBJECT-BASED MACHINE LEARNING SYSTEM FOR AUTOMATED SCORING OF DIGITAL WHOLE SLIDES

Patent №

US 10,176,579

Granted

2019-01-08

Filed 2015

Owner

VENTANA MEDICAL SYSTEMS, INC.

Lab

AI components

2

ml · vision

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

14776571

A facility includes systems and methods for providing a learning-based image analysis approach for the automated detection, classification, and counting of objects (e.g., cell nuclei) within digitized pathology tissue slides. The facility trains an object classifier using a plurality of reference sample slides. Subsequently, and in response to receiving a scanned image of a slide containing tissue data, the facility separates the whole slide into a background region and a tissue region using image segmentation techniques. The facility identifies dominant color regions within the tissue data and identifies seed points within those regions using, for example, a radial symmetry based approach. Based at least in part on those seed points, the facility generates a tessellation, each distinct area in the tessellation corresponding to a distinct detected object. These objects are then classified using the previously-trained classifier. The facility uses the classified objects to score slides.

Machine learningVisionG06T 7/0014G06T 7/0012G06T 7/11G06V 20/695G06V 20/698G06T 2207/20081G06T 2207/20156G06T 2207/30024+1 more

AI classification

Vision1.00
Machine learning0.83
AI hardware0.14
Planning0.00
Natural language0.00
Evolutionary computation0.00
Knowledge representation0.00
Speech0.00

Ownership

VENTANA MEDICAL SYSTEMS, INC.

assignment · 430360921

Assignors

CHUKKA, SRINIVAS, SERTEL, OLCAY, SARKAR, ANINDYA, SABATA, BIKASH, PATIL, SUHAS H., CHIVATE, SUJIT SIDDHESHWAR

On an employer assignment, the assignors are typically the inventors.

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